445124421497 has 16 divisors (see below), whose sum is σ = 511284006912. Its totient is φ = 379609370640.

The previous prime is 445124421463. The next prime is 445124421503. The reversal of 445124421497 is 794124421544.

It is a cyclic number.

It is not a de Polignac number, because 445124421497 - 2²² = 445120227193 is a prime.

It is a super-2 number, since 2×445124421497² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445124421397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709722 + ... + 2869292.

It is an arithmetic number, because the mean of its divisors is an integer number (31955250432).

Almost surely, 2^445124421497 is an apocalyptic number.

It is an amenable number.

445124421497 is a deficient number, since it is larger than the sum of its proper divisors (66159585415).

445124421497 is a wasteful number, since it uses less digits than its factorization.

445124421497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161588.

The product of its digits is 1290240, while the sum is 47.

Adding to 445124421497 its sum of digits (47), we get a palindrome (445124421544).

The spelling of 445124421497 in words is "four hundred forty-five billion, one hundred twenty-four million, four hundred twenty-one thousand, four hundred ninety-seven".